Maths practice for 14 year olds - page 345 of 382
Number of problems found: 7625
- Savings spent
Anna bought something for one-third of her savings. She spent three-fifths of the remaining money on her parents' gifts. She has 400 euros left now. How many euros did she save before spending? - Olympics
How many ways can six athletes be placed on the podium at the Olympics? Depends on the color of the metal. - Mortgage
Family XY wants to take the bank mortgage (a loan for an apartment/house) for € 100,000. Bank processing the mortgage charges a fee of 0.79% of the amount borrowed. How many euros is this fee? - School
The school attends 792 children, boys and girls ratio is 4:5. How many more girls go to school (than boys)? - Canal excavation
The work crew will excavate 1/4 of the channel on the 1st day, and 1/2 of the remainder on the 2nd day. Third day 1/3 of what she dug the second day. What part of the canal in km still needs to be dug after the third day, if the length of the canal is 72 - Two numbers
The difference between the two numbers is 7. Their product 144. What are the numbers? - Unknown number 5
I think of an unknown number. If we enlarge it five times, then subtract 3, and the result decreases by 75%, we get one greater than the number. What number am I thinking? - Store
Peter paid 3 euros in-store, more than half the amount on arrival at the store. When he left the shop, he had 10 euros in his wallet. How many euros does he have upon arrival at the store? - Number operations
If I add the ratio, the product, the difference, and the sum of the unknown number and the number 2, I get the number 72. What is this unknown number? - Candy
Peter had a sachet of candy. He wanted to share it with his friends. If he gave them 30 candies, he would have 62 candies. If he gave them 40 candies, he would miss eight candies. How many friends did Peter have? - Stamps and albums
Michail has stored 170 stamps in three albums. In the first album, there are 14 more than in the second, and in the second, there are 1/5 less than in the third. How many stamps are in the first album? - Piano
If Suzan practices 10 minutes on Monday, every other day, she wants to practice two times as much as the previous day. How many hours and minutes will she have to practice on Friday? - Mr Novak
Mr. Novak earns an average 927 euros. When increasing the salary, they gave him a choice: ... What is a better choice for Mr. Novak? - Rope slack
Between two streets, 20 m away, give the lamp in the middle and hang 60 cm below the taut rope. Can it be done with a 20.5 meters rope? - Classroom
There are eighty more girls in the class than boys. Boys are 40 percent, and girls are 60 percent. How many are boys and how many girls? - Triangle angles
In a triangle, ABC, the interior angle at vertex C is twice the internal angle at point A. The outer angle at point B measured 117 degrees. How big is the external angle at vertex A? - Trapezoid perimeter
The bases of the isosceles trapezoid measure 110 m and 50 m. The distance between the bases is 40 m. Calculate its circumference. - Supplementary angles
One of the supplementary angles is three times larger than the other. What size is larger of supplementary angles? - Angles ratio
In an ABC triangle, is true relationship c is less than b, and b is less than a. Internal angles of the triangle are in the ratio 5:4:9. The size of the internal angle beta is: - The chord
A chord passing through its center is the side of the triangle inscribed in a circle. What size are a triangle's internal angles if one is 40°?
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